JPS58166006A - Manufacture of concrete wash-out plate and its formwork - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method and a formwork for manufacturing a washed-out concrete plate having a tone pattern of two or more colors on the surface of the concrete plate.

Conventionally, methods for producing washed-out concrete plates (hereinafter referred to as ``washed-out plates'') include forming forms coated with a concrete setting retarder (hereinafter referred to as ``retarder''), or paper impregnated with retarder (hereinafter referred to as ``retarder''). Unhardened concrete for washing out (hereinafter referred to as ``washing concrete'') is poured into the formwork in which the lining concrete (hereinafter referred to as ``retarder paper'') is laid, and then unhardened concrete for lining (hereinafter referred to as ``retarder paper'') is poured into the formwork. The common method is to pour and cure the concrete, remove the frame after the concrete has hardened, and wash the surface to which the flat plate glue tarder is attached to wash out the concrete and manufacture the flat plate.

In addition, when adding patterns to the surface of a conventional washed flat plate by coloring it in two or more colors, it is necessary to lay it on the bottom of the formwork or place it on top of tartar paper, using a board that is the same size as the bottom of the formwork on which the pattern has been applied. Alternatively, a patterned fixture such as a board that forms a pattern is loaded, and washing concrete is poured into the recesses formed by the patterned fixture in the formwork, and when the washing concrete begins to solidify, the formwork is removed. Take out the internally loaded pattern fixtures, and create a recess that is created in the place where the pattern fixtures were removed. After pouring concrete for cleaning and compacting it, pour concrete for lining, finishing the lining surface, curing, removing the frame after the concrete has hardened, and cleaning the surface to which the cleaning flat plate glue tarder is attached. A method is used to manufacture concrete washed slabs.

However, in the conventional method, care must be taken when removing the patterned fixtures because they are boards of the same size as the bottom of the formwork, and if the patterned fixtures are taken out too early, the concrete for washing out This caused deformation and mixed with the washout concrete poured later, making the boundary line of the molding unclear. Conversely, if the timing was too late, a step appeared at the boundary with the washout concrete poured later. There are drawbacks such as 5 and 5, which tend to cause spots.

According to the present invention, washout concrete having two or more types of tones can be poured into the formwork almost at the same time, so that the conventional drawbacks caused by the timing of pouring are eliminated. Furthermore, it is possible to provide a multi-colored and multi-patterned concrete slab with clearer boundaries than before. -Furthermore, it is possible to provide a concrete washout flat plate having the same ground color as the seed stone to be washed out more easily than before. In other words, by using the formwork of the present invention, it is possible to pour a variety of types of washout concrete at almost the same time, even in complex shapes and patterns made of straight lines, curves, or a combination thereof. We can provide concrete washed slabs.

One embodiment of the present invention will be described with reference to FIGS. 1 and 2. A retarder paper bag is spread over the entire bottom surface of the formwork 1 for a flat plate,
Alternatively, apply retarder to the entire bottom surface instead of the tartar paper 5'. Then, the partition plate 4 assembled into a desired shape and pattern is placed on the retarder paper 5'. The partition plate 4 is made of a material suitable for making a mold of a desired shape or pattern by bending or gluing, such as a thin metal plate or a thin hard resin plate. Inner surface 5
The height is slightly longer, that is, the top G of the side surface 5 of the formwork 1
It is desirable that the partition plate has a height of 6 inches or more so that it extends slightly above the partition plate.However, the partition plate needs to be easily removed as will be explained later.

As described above, the partition plate 4 is assembled into the desired shape and pattern, so when it is installed in the formwork l, the partition plate 4 is provided with multiple sections 7 and 7' in the formwork, and each section is At 7.7', washout concrete 8.8° mixed with seed stone to produce a predetermined color tone is poured into the formwork at a height below Σ. For example, a washing concrete 8 mixed with a red seed stone is poured into a section 7 divided by a partition plate 4, and a washing concrete IJ-8' mixed with a blue seed stone is poured into a section divided by a partition plate 4. 7", each seed stone forms the shape and pattern divided by the partition plate 4 in each section. Therefore, the washing concrete with different seed stones mixed in each section at the same time. ) 8. Pour II!' to form a sharp edge. Conc IJ- for cleaning them.
) After pouring 8.8° into each section, give the formwork a slight vibration to compact it. At this time, the washing concrete 8.8° poured into each section is cement paste of the same color, although the color of the seed stone is different, so at the bottom of the partition plate 4, some of the washing concrete poured into each section is Even if it is mixed with concrete 8.8", the seed stone itself is
Since they do not mix together, there is no loss of shape or pattern due to seed stones. Therefore, the boundary # between shapes and patterns becomes clear.

After compacting the washing-out concrete (g, 8"), when the washing-out concrete g, 8" begins to set,
Concrete 9 for lining is poured, the formwork is compacted by giving a slight vibration, and the partition plate 4 is removed. Then, the surface of the backing concrete 9 is finished and cured, and once the poured concrete has hardened, it is removed from the frame, and the surface to which the concrete washout plate glue tarder is attached is washed with jet water, so that the color tone of the seed stone can be improved. It is possible to manufacture concrete slabs of various colors.

Another embodiment of the present invention will be described with reference to FIGS. 3 and 4. An elastic sheet 2 is installed on the entire bottom surface of a mold 1. The elastic sheet 2 is made of, for example, a thin plate of a rubber plate, a sponge plate, or a soft resin plate such as plastic. □ Apply retarder to the entire elastic sheet 2 or set retarder paper over the entire elastic sheet 2. Furthermore, the partition plate 4 assembled into a desired shape and pattern is placed on top of it. The partition plate 4 is made of a material suitable for making a mold of a desired shape or pattern by bending or gluing, such as a metal thin plate or a soft or hard resin thin plate such as glass, and is made of a material suitable for forming a mold of a desired shape or pattern. It is desirable that the height be slightly longer than the height 5, that is, the height should be slightly longer than the top 6.6' of the side surface 5 of the formwork 1. The partition plate repair is carried out by attaching the partition plate fixing tool l to the elastic sheet 2 set at the bottom of the formwork l.
O is installed so as to dig in. In the case of this embodiment, colored cement of the same color as the seed stone washed out in the section 7.7' partitioned by the partition plate 4, Alternatively, when pouring concrete for cleaning 11.11'' mixed with pigment, the uniquely colored concrete for cleaning 11' poured into each section 7.7'' is because the partition plate well is strongly biting into the elastic sheet 2. They do not mix with each other at the boundary of the partition plate 4. Therefore, different colors of washout concrete (11)
. -) 11. When the 11' begins to set, pour the backing concrete, give the form a slight vibration to compact it, and then remove the partition plate 4. When removing the partition plate 4, The concrete for washing out has already started to set! At the bottom of the formwork, the different colored concrete for washing out from each section 11.11' does not mix together.There is some elasticity. Concrete for cleaning is applied to or laid on 2 or under the influence of tarder 3.
) 11 and 11' are delayed in setting, so they may mix in that part, but that part is the part that will be washed and removed after the concrete has hardened. There is no change in the shape or pattern of each partition plate 4. After removing the partition plate 4, the surface of the backing concrete 90 is finished, cured, and when the poured concrete has hardened, it is removed from the frame, and the surface to which the retarder has been attached is washed with jet water to remove the seed stone. It is possible to produce a washed-out flat plate with a multicolor pattern in which the boundaries of the pattern having the same ground color are clear.

That is, the present invention differs from the conventional formwork for cleaning flat plates,
An elastic sheet 2 is placed in the formwork l as necessary, and
By providing the partition plate 4, it is possible to pour concrete for different color washing almost simultaneously and provide a washing flat plate with multiple colors and patterns, and it is possible to provide a washing flat plate with clear pattern boundaries more easily than before. It has the characteristics of being able to

[Brief explanation of the drawing]

Fig. 1 is a plan view showing one embodiment of the present invention, and Fig. 2 is a plan view showing an embodiment of the present invention.
5 is a plan view showing another practical example of the present invention, and FIG. 4 is a sectional view taken along B-B' in FIG. 5!・・Formwork, 2.・Elastic sheet, 5.・Retarder 14・・Partition plate, 7.7′・・Division by partition plate, 8.8′, 11.11′・・・Concrete for washing out,
9. Concrete for lining, 10. Partition plate fixing tool.

Claims (1)

[Scope of Claims] L A concrete setting retarder is applied to the bottom surface K of the formwork for a flat plate, or paper impregnated with a concrete setting retarder is spread, and a desired shape/pattern is formed on the bottom surface. An assembled partition plate is provided, and in each compartment divided by the partition plate,
Washing concrete consisting of seed stones of different colors is poured to a height less than i of the height of the formwork, and the formwork is compacted by giving slight vibrations, and when the washing concrete begins to solidify. , pour the lining concrete, compact it by applying light vibration to the formwork, then remove the partition plate), finish the surface of the lining concrete, cure it, and when the poured concrete hardens, remove the frame, A method of producing a concrete washed flat plate by washing the surface of the flat plate to which the setting retarder is attached with jet water. a. Install an elastic sheet on the bottom of the flat plate formwork, apply a concrete setting retarder on the elastic sheet, or spread paper impregnated with the concrete setting retarder, and place a partition plate on top of it. The partition plate is fixed to the bottom of the formwork using a partition plate fixing device, and colored cement of the same color as the seed stone washed out is placed in each section divided by the partition plate. Concrete for washing out,
Alternatively, washing concrete mixed with pigments of the same color as the seed stone to be washed is poured into the formwork to a height of 100 degrees, and the formwork is compacted by slight vibration, and the washing concrete is solidified. At the beginning of the process, concrete for lining is poured, the formwork is lightly vibrated and compacted, then the partition plate is removed, the surface of concrete for lining is finished, and it is cured.1. After the poured concrete has hardened, it is removed from the frame, and the surface of the flat plate to which the setting retarder is attached is washed with jet water to produce a concrete washed flat plate. Apply concrete setting retarder to the bottom of the formwork,
Or, □A flat plate formwork for washing out concrete, which is made by laying paper impregnated with a concrete setting retarder and installing partition plates assembled into the desired shape and pattern on top of the paper. 4. Spread an elastic sheet on the bottom of the formwork, apply a concrete setting retarder to the elastic sheet, or spread paper impregnated with a concrete setting retarder, and then shape it into the desired shape and pattern. A flat plate form for concrete washing, in which assembled partition plates are installed, and the partition plates are fixed with partition plate fixed wings so as to press down on the bottom of the form.